Home / 74,141.62-111,214.26-21,551.56

Finding the Fourth Proportional to 74,141.62, 111,214.26 and 21,551.56

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Solution

The fourth proportional to 74,141.62, 111,214.26 and 21,551.56 is: 32,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.62 : 111,214.26 = 21,551.56 : x
  2. Step 2: Convert to fraction form
    74,141.62/111,214.26 = 21,551.56/x
  3. Step 3: Cross multiply
    74,141.62x = 111,214.26 × 21,551.56
  4. Step 4: Simplify right side
    74,141.62x = 2,396,840,797.25
  5. Step 5: Solve for x
    x = 2,396,840,797.25/74,141.62
  6. Step 6: Final answer
    x = 32,327.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.